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| author |   Michał Górny <mgorny@moritz.systems> | 2021-04-22 12:30:05 +0200 |
|---|---|---|
| committer | Michał Górny <mgorny@moritz.systems> | 2021-04-22 12:30:05 +0200 |
| commit | a5bf347ca0849b23a2563d775dcb948dfc34f20d (patch) | |
| tree | 07e37fd832a6ee20e7ccb35dc0d4d400cd9f3d56 | |
| parent | [compiler-rt] Apply Gentoo compiler-rt-prefix-paths.patch (diff) | |
| download | llvm-project-gentoo.tar.gz llvm-project-gentoo.tar.bz2 llvm-project-gentoo.zip | |
[libcxx] Force -Wl,-z,defsgentoo-9999-1gentoo
Gentoo-Component: libcxx
| -rw-r--r-- | libcxx/CMakeLists.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt index a53493e7fd8e..10800fe3a4f3 100644 --- a/libcxx/CMakeLists.txt +++ b/libcxx/CMakeLists.txt @@ -507,6 +507,18 @@ remove_flags("/D_DEBUG" "/MTd" "/MDd" "/MT" "/Md") # so they don't get transformed into -Wno and -errors respectively. remove_flags(-Wno-pedantic -pedantic-errors -pedantic) +# FIXME: this is cribbed from HandleLLVMOptions.cmake. +if(LIBCXX_STANDALONE_BUILD) + # Pass -Wl,-z,defs. This makes sure all symbols are defined. Otherwise a DSO + # build might work on ELF but fail on MachO/COFF. + if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" OR WIN32 OR CYGWIN OR + ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR + ${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD") AND + NOT LLVM_USE_SANITIZER) + set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,defs") + endif() +endif() + # Required flags ============================================================== function(cxx_add_basic_build_flags target) |